[Tutor] Want to use msvcrt.getch() but can't import msvcrt (original) (raw)
Alan Gauld alan.gauld at blueyonder.co.uk
Tue Jul 20 23:44:09 CEST 2004
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That should be
msvcrt
MicroSoft Visual C RunTime
Its obvious really... :-)
And I just checked, I got it right on the webn page :-)
Alan G Author of the Learn to Program web tutor http://www.freenetpages.co.uk/hp/alan.gauld/tutor2/
----- Original Message ----- From: "Dick Moores" <rdm at rcblue.com> To: <tutor at python.org> Sent: Saturday, July 17, 2004 8:01 AM Subject: [Tutor] Want to use msvcrt.getch() but can't import msvcrt
A week ago or so I asked how I might enable pausing my timer.py. Alan Gauld suggested looking at the mscvrt module (which is available for Windows) and mscvrt.getch(). He also referred me to a page of his tutorial, <http://www.freenetpages.co.uk/hp/alan.gauld/tutor2/tutevent.htm>
This seems to be just what I'm looking for, but when I import mscvrt I get "ImportError: No module named mscvrt". So I can't even run the scripts on his page. For your instructing convenience here's a bare-bones version of my timer: ============================= #timersimple.py import time #import mscvrt # gets "ImportError: No module named mscvrt" secondsToTime = int(rawinput("Seconds: ")) timeStart = time.time() timeNow = 0 while True: time.sleep(.25) timeNow = time.time() secondsPassed = timeNow - timeStart secondsLeft = secondsToTime - secondsPassed if secondsPassed >= secondsToTime: break print "TIME'S UP! %d seconds have passed" % secondsToTime print "Actual time is %f" % (timeNow - timeStart) ================================== Alan suggested the time.sleep(.25) line to slow the loop down so I can do something else with my computer while using the timer. He said to create a "guard condition" by making the timeNow = time.time() line into an if statement. If was able to import mscvrt and use mscvrt.getch() I suppose I could figure this out by experimenting, but I can't even do that. I'd also like to build in a way to stop the time in mid-timing, without resort to ^C or ^D. I suppose getch() is the thing to use here also. BTW I'm using Python 2.3.4 on Windows XP. Do I need to download the mscvrt from somewhere? Help, please? Thanks, tutors. Dick Moores
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